@misc{indiciae77b5fd63bbb3,
  title = {Lunar drill footplate and casing},
  author = {Maassen, Erik C. and Hendrix, Thomas H. and Morrison, Eddie W. and Phillips, Rodrick B. and Le, Vu Quang and Works, Bruce A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900014422},
  note = {Source identifier: 19900014422}
}